1 /*
2 * Device Tree support for Allwinner A1X SoCs
3 *
4 * Copyright (C) 2012 Maxime Ripard
5 *
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13 #include <linux/clocksource.h>
14 #include <linux/init.h>
15 #include <linux/of_clk.h>
16 #include <linux/platform_device.h>
17 #include <linux/reset/sunxi.h>
18
19 #include <asm/mach/arch.h>
20 #include <asm/secure_cntvoff.h>
21
22 static const char * const sunxi_board_dt_compat[] = {
23 "allwinner,sun4i-a10",
24 "allwinner,sun5i-a10s",
25 "allwinner,sun5i-a13",
26 "allwinner,sun5i-r8",
27 "nextthing,gr8",
28 NULL,
29 };
30
31 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
32 .dt_compat = sunxi_board_dt_compat,
33 MACHINE_END
34
35 static const char * const sun6i_board_dt_compat[] = {
36 "allwinner,sun6i-a31",
37 "allwinner,sun6i-a31s",
38 NULL,
39 };
40
sun6i_timer_init(void)41 static void __init sun6i_timer_init(void)
42 {
43 of_clk_init(NULL);
44 if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
45 sun6i_reset_init();
46 timer_probe();
47 }
48
49 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
50 .init_time = sun6i_timer_init,
51 .dt_compat = sun6i_board_dt_compat,
52 MACHINE_END
53
54 static const char * const sun7i_board_dt_compat[] = {
55 "allwinner,sun7i-a20",
56 NULL,
57 };
58
59 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
60 .dt_compat = sun7i_board_dt_compat,
61 MACHINE_END
62
63 static const char * const sun8i_board_dt_compat[] = {
64 "allwinner,sun8i-a23",
65 "allwinner,sun8i-a33",
66 "allwinner,sun8i-h2-plus",
67 "allwinner,sun8i-h3",
68 "allwinner,sun8i-r40",
69 "allwinner,sun8i-v3",
70 "allwinner,sun8i-v3s",
71 NULL,
72 };
73
74 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
75 .init_time = sun6i_timer_init,
76 .dt_compat = sun8i_board_dt_compat,
77 MACHINE_END
78
79 static void __init sun8i_a83t_cntvoff_init(void)
80 {
81 #ifdef CONFIG_SMP
82 secure_cntvoff_init();
83 #endif
84 }
85
86 static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
87 "allwinner,sun8i-a83t",
88 NULL,
89 };
90
91 DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
92 .init_early = sun8i_a83t_cntvoff_init,
93 .init_time = sun6i_timer_init,
94 .dt_compat = sun8i_a83t_cntvoff_board_dt_compat,
95 MACHINE_END
96
97 static const char * const sun9i_board_dt_compat[] = {
98 "allwinner,sun9i-a80",
99 NULL,
100 };
101
102 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
103 .dt_compat = sun9i_board_dt_compat,
104 MACHINE_END
105
106 static const char * const suniv_board_dt_compat[] = {
107 "allwinner,suniv-f1c100s",
108 NULL,
109 };
110
111 DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
112 .dt_compat = suniv_board_dt_compat,
113 MACHINE_END
114